Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-(2-methylpropoxy)-, (11bR)- CAS 503544-55-6
| CAS No. | 503544-55-6 |
| Molecular Formula | C24H21O3P |
| Molecular Weight | 388.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-(2-methylpropoxy)-, (11bR)- (C24H21O3P) contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-(2-methylpropoxy)-, (11bR)- (CAS 503544-55-6) is a high-purity analytical reference standard with the molecular formula C24H21O3P and a molecular weight of 388.40 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-(2-methylpropoxy)-, (11bR)- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H21O3P |
| Molecular Weight | 388.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Related Dinaphtho Standards
- 1-(11bR)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine (CAS 736142-26-0)
- 1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-ylpyrrolidine (CAS 627528-96-5)
- Dinaphtho[2,1-d:1',2'-f][1,3,2]dithiazepine 3,3,5,5-tetraoxide (CAS 1384452-63-4)
- Dinaphtho[2,3-b:2',3'-i]phenazine (CAS 258-40-2)
- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-amine, N,N-diethyl-8,9,10,11,12,13,14,15-octahydro-, (11bR)- (CAS 857282-69-0)
- 1-[(11bR)-Dinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepin-4-yl]piperidine (CAS 636559-55-2)
- 1-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-ylpiperidine (CAS 879083-09-7)
- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-hydroxy-2,6-dimethyl-, 4-oxide (CAS 65355-16-0)
Recommended Standards
- 3,7-Dihydro-3-[3-(3-hydroxyphenyl)-2-propyn-1-yl]-1,7-dimethyl-8-(methylsulfonyl)-1H-purine-2,6-dione (CAS 2093393-05-4)
- n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-4-nitrobenzenesulfonamide (CAS 301332-17-2)
- 2-(1-Methyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 607384-94-1)
- Heraclenol 2'-O-isovalerate (CAS 108006-54-8)
- 4-Amino-6-chloro-3,4-dihydro-2h-1lambda6-benzothiopyran-1,1-dione (CAS 1039912-70-3)
- 1-(2-Chloroethoxy)propane (CAS 42149-74-6)
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- 2-(3-Bromoprop-1-en-1-yl)-5-nitrofuran (CAS 93198-62-0)
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- Everolimus Impurity 22 (CAS CATO-C4X-112222)
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